TODO

The WonderSwan rotates!

Shaders look weird on Super Famicom because of interlace/hi-res

Playing Game Boy Colour games in Game Boy mode
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GBA in-game saves are Difficult

PSG volume for the Mega Drive
(see https://board.byuu.org/viewtopic.php?p=42158#p42158 for info)

Rumble for GB and GBA?